Part Number: UCC28063 Hi,
We use the UCC28063 for the PFC control, and now, we have the High and low temperature cycling test(-40℃-50℃), but some of UCC28063 is damaged when we finish the cycling test,
we have A-B-A testing and the issue is follow up the…
Part Number: UCC28063 HI, TI Team: 1. In the figure, yellow is the UC28063 drive, blue is the inductance input voltage, green is the MOS current, and purple is the input voltage. The two graphs are different positions in a waveform. It can be seen that…
Part Number: UCC28063 HI TI TEAM,
The customer now uses the following interlaced PFC IC of UCC28063. In actual use, it is found that the C220 needs to be changed from 101 to 33P to solve the abnormal sound of the 90V switch (the voltage is 90-305, the…
Part Number: UCC28063 We use 320V DC input for this design. We find the switching current become a CCM, not the CrM, and regularly appear on ~ 4.5kHz. Please refer to below waveform.
In addition. The Id current seems a sinusoidal wave (frequency is around…
Part Number: UCC28063 I am going to use UCC28063 PFC controller for 500W application having output voltage 390V.
PFC requirement
1) input voltage 85 to 265V
2) line frequency 47 to 63 Hz
3) output power 500W
4) output voltage 390V
5) switching frequency…
Part Number: UCC28063 Dear Expert
May I ask which parameters adjusted by this chip have an impact on the pf value? I have changed the voltage of PHB at present, which is 3v with the chip reference partial voltage. I worked 1500 watts with a power factor…
Part Number: UCC28063 Other Parts Discussed in Thread: UCC28061 Dear Expert
Ctm change UCC28063 to UCC28061 ,and system fails to start .The Pin5 COMP is low lever ,other pin voltage are normal.
Below is schemetic ,pls check! 24v8a.pdf
Hi, I haven't heard back from you in 23 days, so I assume you've resolved your issue and I'm going to close this issue. If you still need assistance, please open a new ticket.
Part Number: UCC28063 Dear Expert
1.We set brownout voltage is 150V ,and we test input AC voltage below 150V ,the drive waveform will shut down but then still exist about 200ms ,after that
the drive wavefrom will shutdown. We don't know why the drive…